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Finding the Fourth Proportional to 329,657.32, 454,927.33 and 178,754.32

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Solution

The fourth proportional to 329,657.32, 454,927.33 and 178,754.32 is: 246,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,657.32 : 454,927.33 = 178,754.32 : x
  2. Step 2: Convert to fraction form
    329,657.32/454,927.33 = 178,754.32/x
  3. Step 3: Cross multiply
    329,657.32x = 454,927.33 × 178,754.32
  4. Step 4: Simplify right side
    329,657.32x = 81,320,225,523.57
  5. Step 5: Solve for x
    x = 81,320,225,523.57/329,657.32
  6. Step 6: Final answer
    x = 246,681.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.